IoT Hub is suitable for managing IoT devices at scale because it can:

IoT Hub is designed to support large-scale device management, which includes the ability to provision devices efficiently and effectively. Provisioning devices at scale is critical for organizations that deploy numerous IoT devices simultaneously. This ensures that devices can be registered, configured, and connected to the IoT Hub in a streamlined manner, facilitating seamless onboarding and management throughout their lifecycle.

When deploying IoT solutions, organizations often require a solution that can handle numerous devices, each needing unique settings and configurations. IoT Hub’s provisioning features allow for both individual device provisioning and bulk provisioning, which empowers developers and system administrators to save time and reduce complexities associated with large-scale deployments.

While other options like message routing, integrating with third-party services, and managing device security are important features of IoT Hub, they do not directly address the core capability of provisioning devices at scale. Message routing helps with efficient data handling, integration with third-party services enables extensibility and additional functionality, and managing device security ensures that the devices are secure. However, the ability to provision multiple devices efficiently is what fundamentally allows organizations to manage their IoT ecosystems as they grow.